Concise Python Tutorial Notes

Chapter III

Get help

Use the built-in Help feature.
Ex

Help (STR)-Displays assistance for the Str class.

Chapter Fourth Basic Concepts

1. A literal constant: a value that always represents its own and cannot be changed.
2. Number: integers, long integers, floating-point numbers, and complex numbers.

2is an example of an integer.

Long integers are just larger integers.

3.23And 52.3E-4 are examples of floating-point numbers. The e tag represents a power of 10. Here, the 52.3E-4 expression 52.3 * 10 -4.

(-5+4j)And (2.3-4.6j) is an example of plural

3. String

Concise Python Tutorial Notes